. >> as mitt romney has said, imagine going to bordeaux an saying to people, "i've got a great new religion for you and, by the way, give up your wine." >> narrator: the task: to put on a suit and tie, and climb on your bicycle. >> the tried and true and well-worn method was knocking on doors. and so we knocked on thousands and thousands and thousands of doors. >> the mormon mission does teach you to deal with rejection. most people are not thrilled to see a pair of mormon missionaries on their door. >> narrator: rejection was at the heart of the experience. >> and it means cultivating your own inner spiritual life. where else are you going to get the resources and the strength to carry on this difcult work d of knocking on people's doors and pleading with them to listen to you unless you feel like god is with you? >> narrator: and during that time, mitt was worried about the news from home. his father was running for president. >> we would get a hold of the herald tribuand kind of kp up on what was happening. >> narrator: the news was not good. george's campaign was in trouble.p he had cha